As a society, we tend to like people who have impulse-control difficulties. They take chances in public, on stage, in business, on the field, in press conferences, and at political rallies. We tend to think of them as rule-breakers and sometimes innovators. But underneath it all is often a basic difficulty in self-control.
The prisons are full of people for whom 5 seconds (and often less) made the difference between committing a felony, and not doing so. So it should not surprise us that a sports figure in prison for a murder (likely committed on impulse) would act on another impulse and take their own life.
Teach your kids to be patient. That may never make them famous, but it will raise the odds of them having long fulfilling productive lives, and dying long after you, not before you.